Which way?

I am refitting an En-Suite for a neighbour, as previously stated. They are
re using the 'old' sink as it has a larger than average bowl (and they like
it). The sink is going back in the same place as previously. My problem is
that the sink was not sat on the pedestal before (1/2" gap) and they want it
supported when I reinstall it. The wall is a dot and dabbed PB onto
blockwork. If I position the sink on the pedestal then the new holes for
the plugs will no doubt break int the existing holes. How can I get around
this? I was thinking of using car body filler but how can I ensure it fills
the holes left by the plugs, which I can remove. Can you 'inject' car body
filler if so what with as I can see it making a right mess using a poly bag
ala icing bag!
Cheers
John

Oh, just whack it in with an old trowel and when it goes 'rubbery' carve
off the surplus with a kitchen knife and black sand it back and then use
polyfilla to make it all good.
In fact why not just use bonding plaster? Its stronger than plasterboard
anyway.

Thanks for the answer but that still doesn't help me to ensure the filler
fills the hole left by the plug. As the PB is dot and dabbed to blockwork
there is a 1/2" gap between the back of the PB and the face of the
blockwork. "just whack it in with an old trowel..." whilst filling the hole
in the PB does not guarantee filling the hole left by the plug (in the
blockwork).
Cheers
John

Could you evade the problem by using the original
holes to secure offset plates that the sink-fixers
screw/bolt into?
Maybe something as simple as 20mm thick blocks of
hardwood, or thick plates of metal/plastic with
fixing bolts pointing forwards.

Maybe something even simpler like plugging and screwing them.
Use extra long screws and remove them after the new holes have been
drilled and plugged or use dome heads and leave them in where the new
holes will follow alongside.
A bathroom aught to have patresses for such equipment, failing that,
lots and lots of plasterboard adhesive to do the same job.
Unfortunately there is a tendency for these things to go in at a price
or for untrained and poorly informed labour to do the job. More than
likely both.

Oh., I see. Said the blind man..
Well rip out enough of the plasterboard so you can get at the blockwork.
And fill it..probably with mortar to be honest.
Make it all good with plaster.
No point in keyhole surgery.

Log in

HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here.
All logos and trade names are the property of their respective owners.